How does push-button start work on cars?

Push-button start is standard on most modern cars, trucks and SUVs today. How does it work and is it better than ignition keys?
Ars Technica

This plasma ignition system can increase engine efficiency by 20%

In 2019, we took a look at an interesting new advanced ignition system from Transient Plasma Systems. It replaces the conventional spark plugs in a vehicle's engine with an ignition module that uses ...
Financial Post

Cessna Skyhawk Soars With Enhanced Efficiency: Solid-State Dual Electronic Ignition System Introduced to the Industry-leading Piston

WICHITA, Kan. — The industry-leading training aircraft, the Cessna Skyhawk, now features a dual electronic ignition system (dual EIS), enhancing maintenance, efficiency and overall operation of the ...